These categories include WNT (WNT1, WNT3A, WNT6, AXIN2, TNF2, MMP7), Alzheimer disease presenilin (WNT1, WNT3A, WNT6, MMP7), cadherin (WNT1, WNT3A, WNT6) and Notch (LFNG, HES1) signaling pathways. The gene discussed is CDH17; the disease is Alzheimer disease.